<!DOCTYPE html>
<html lang="zh-CN">
    <head>
            <meta charset="UTF-8">
                <meta name="viewport" content="width=device-width, initial-scale=1.0">
                    <title>登录页面</title>
                        <style>
                                    body {
                                                font-family: Arial, sans-serif;
                                                            background-color: #f4f4f4;
                                                                        display: flex;
                                                                                    justify-content: center;
                                                                                                align-items: center;
                                                                                                            height: 100vh;
                                                                                                                        margin: 0;
                                                                                                                                }
                                                                                                                                        .login-container {
                                                                                                                                                    background-color: #fff;
                                                                                                                                                                padding: 20px;
                                                                                                                                                                            border-radius: 8px;
                                                                                                                                                                                        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                                                                                                                                                                                                    width: 300px;
                                                                                                                                                                                                                text-align: center;
                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                .login-container h2 {
                                                                                                                                                                                                                                            margin-bottom: 20px;
                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                            .login-container input[type="text"],
                                                                                                                                                                                                                                                                    .login-container input[type="password"] {
                                                                                                                                                                                                                                                                                width: 100%;
                                                                                                                                                                                                                                                                                            padding: 10px;
                                                                                                                                                                                                                                                                                                        margin: 10px 0;
                                                                                                                                                                                                                                                                                                                    border: 1px solid #ccc;
                                                                                                                                                                                                                                                                                                                                border-radius: 4px;
                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                .login-container input[type="submit"] {
                                                                                                                                                                                                                                                                                                                                                            width: 100%;
                                                                                                                                                                                                                                                                                                                                                                        padding: 10px;
                                                                                                                                                                                                                                                                                                                                                                                    background-color: #28a745;
                                                                                                                                                                                                                                                                                                                                                                                                border: none;
                                                                                                                                                                                                                                                                                                                                                                                                            border-radius: 4px;
                                                                                                                                                                                                                                                                                                                                                                                                                        color: #fff;
                                                                                                                                                                                                                                                                                                                                                                                                                                    font-size: 16px;
                                                                                                                                                                                                                                                                                                                                                                                                                                                cursor: pointer;
                                                                                                                                                                                                                                                                                                                                                                                                                                                        }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                .login-container input[type="submit"]:hover {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            background-color: #218838;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            .login-container .register-link {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        margin-top: 10px;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    font-size: 14px;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    .login-container .register-link a {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                color: #007bff;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            text-decoration: none;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            .login-container .register-link a:hover {
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        text-decoration: underline;
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    </style>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    </head>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    <body>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <div class="login-container">
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <h2>登录</h2>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <form action="#" method="post">
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <input type="text" name="username" placeholder="用户名" required>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            <input type="password" name="password" placeholder="密码" required>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <input type="submit" value="登录">
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                </form>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        <div class="register-link">
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        还没有账号？<a href="#">注册</a>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                </div>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    </div>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    </body>
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    </html>